Clinical Trials

Mavorixafor has been evaluated across multiple clinical trials spanning Phase I through Phase III to investigate its therapeutic potential in rare immunologic, hematologic, and infectious conditions, including WHIM syndrome, chronic neutropenia, Waldenstrom's macroglobulinemia, HIV, hepatic insufficiency, and healthy volunteers. Sponsored by pharmaceutical entities such as X4 Pharmaceuticals alongside public bodies like the National Institute of Allergy and Infectious Diseases, these studies encompass active non-recruiting, recruiting, and completed stages. The development program features pivotal Phase III research in WHIM syndrome.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06056297 RECRUITING
Neutropenia
X4 Pharmaceuticals
2024-06-06 PHASE3
NCT06858696 COMPLETED
Hepatic Insufficiency
X4 Pharmaceuticals
2025-02-28 PHASE1
NCT03995108 COMPLETED
WHIM Syndrome
X4 Pharmaceuticals
2019-10-24 PHASE3
NCT06914869 COMPLETED
Healthy Participants
X4 Pharmaceuticals
2025-02-18 PHASE1
NCT04154488 COMPLETED
Neutropenia
X4 Pharmaceuticals
2021-10-16 PHASE1; PHASE2
NCT04274738 COMPLETED
Waldenstrom's Macroglobulinemia
X4 Pharmaceuticals
2020-04-30 PHASE1
NCT03005327 COMPLETED
WHIM Syndrome
X4 Pharmaceuticals
2016-12 PHASE2
NCT04154488 Active not recruiting
Neutropenia
X4 Pharmaceuticals
2020-10-16 Phase 1|Phase 2
NCT04274738 Completed
Waldenstrom''s Macroglobulinemia
X4 Pharmaceuticals
2020-04-30 Phase 1
NCT03995108 Active not recruiting
WHIM Syndrome
X4 Pharmaceuticals
2019-10-24 Phase 3
NCT00063804 Completed
HIV Infections
National Institute of Allergy and Infectious Diseases (NIAID)|Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Phase 1

(data from https://clinicaltrials.gov, updated on 2026-08-06)

Check the Mavorixafor product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Mavorixafor (AMD-070) is a potent, selective CXCR4 antagonist that inhibits 125I-SDF binding with an IC50 value of 13 nM, thereby blocking downstream chemokine receptor signaling and intracellular pathway activation. By suppressing CXCR4-mediated chemokine signaling, Mavorixafor disrupts cellular retention mechanisms in the bone marrow, promoting leukocyte trafficking into peripheral blood to address pathobiology in WHIM syndrome, neutropenia, and Waldenstrom's macroglobulinemia.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.